16481603568 has 40 divisors (see below), whose sum is σ = 42760240848. Its totient is φ = 5470285312.

The previous prime is 16481603527. The next prime is 16481603591. The reversal of 16481603568 is 86530618461.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725655 + ... + 748022.

Almost surely, 2^16481603568 is an apocalyptic number.

It is an amenable number.

16481603568 is an abundant number, since it is smaller than the sum of its proper divisors (26278637280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16481603568 is a wasteful number, since it uses less digits than its factorization.

16481603568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473921 (or 1473915 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 16481603568 in words is "sixteen billion, four hundred eighty-one million, six hundred three thousand, five hundred sixty-eight".